Mike McCarthy discussed his book Confederate Waterloo: The Battle of Five Forks, April 1, 1865, and the Controversy that Brought Down a General. Five Forks was one of the last battles of the Civil War, but Union General Gouverneur K. Warren’s battle to regain his reputation after being relieved of his command during the battle, raged for years after the war and pitted Warren against the men who removed him: Grant and Sheridan.